Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Diagnosis System

Terminals Of Ecu

TERMINALS OF ECU CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the A74, R1 and J41 certification ECU (smart key ECU assembly) connectors. (b) Measure the voltage and resistance acco ...

Dtc Check / Clear

DTC CHECK / CLEAR NOTICE: When using the Techstream with the engine switch off, connect the Techstream to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Panoramic View Monitor System: Side Camera Current Malfunction (C1684)
DESCRIPTION This DTC is stored if the parking assist ECU judges as a result of its self check that a synchronization problem is occurring in the image signal sent from the passenger side television camera assembly to the parking assist ECU. DTC No. Detection Item DTC Detection Condition Tro ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Theft Deterrent System: Theft Warning Siren Circuit
DESCRIPTION The theft warning siren assembly sounds if either of the following conditions is met: The theft deterrent system is in the alarm sounding state. The theft warning siren assembly is in the armed state when the power source, ground or communication line is open. WIRING DIAGRAM CAU ...